Is a media data format created by Apple. Named 'Quicktime' and is opened by a program with the same name. This format contains several tracks, each of which can store audio, video or text. Supported by a large number of encodings and in a single file, each element can use its own codec.
Is a protocol for working with AV. This media container format encapsulates elementary streams. It is used to broadcast HDTV. Exists access to errors when the signal is weak, thereby ensuring better synchronization of the stream. The audio and video data are transmitted in DVB and ATSC formats.